Definitions

1. verb

to cause trouble or annoyance to someone or something; to haunt or plague

“The constant noise bedeviled the students’ ability to study.”

2. noun

a source of trouble or annoyance

“The traffic jam was the main bedevil of the morning commute.”

3. verb (transitive)

to accuse or mislead (someone) falsely or unfairly

“He was bedeviled by his colleagues for being late to work again.”